5
0
9
1
0
4
1
8
9
2
9
0
2
2
7
0
7
1
4
6
7
0
8
3
8
1
6
4
5
6
0
9
3
5
1
6
7
0
4
4
9
0
3
7
5
8
0
2
0
7
6
2
1
2
0
3
1
9
0
0